Waugh, T. (2005). Power up your profits: 31 days to better selling. Hoboken, N.J: John Wiley & Sons.
Chicago Style CitationWaugh, Troy. Power Up Your Profits: 31 Days to Better Selling. Hoboken, N.J: John Wiley & Sons, 2005.
Cita MLAWaugh, Troy. Power Up Your Profits: 31 Days to Better Selling. Hoboken, N.J: John Wiley & Sons, 2005.
Atenció: Aquestes cites poden no estar 100% correctes.